Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (870,053 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Erle C Ellis
Global Ecology
Anthropocene
Land use change
Landscape Ecology
Sustainable Land Management
Metrics
H-Index
i10 Index
Citation
76
159
35,959
* Rankings
Ranking Based On Selection: 2
John Rennie Short
Human geography
geopolitics
urban geography
urban studies
history of cartography
Metrics
H-Index
i10 Index
Citation
45
98
18,721
Matthew Fagan
Conservation science
remote sensing
landscape ecology
Metrics
H-Index
i10 Index
Citation
25
30
2,363
Jon Alan Yeakley
urban ecology
watershed hydrology
riparian ecology
plant ecology
biogeochemistry
Metrics
H-Index
i10 Index
Citation
25
43
1,944
Margaret Buck Holland
forest conservation
land tenure
protected areas
human dimensions of land use change
Metrics
H-Index
i10 Index
Citation
21
29
4,978
Yolanda Valencia|Yolanda González Mendoza
racial capitalism
migration
communal relationality
Anti-colonial praxis
Latinx geographies
Metrics
H-Index
i10 Index
Citation
4
2
88
Rankings
Ranking Based On Selection: 1
Erle C Ellis
Metrics
H-Index
i10 Index
Citation Counts
76
159
35,959
Global Ecology
Anthropocene
Land use change
Landscape Ecology
Sustainable Land Management
Rankings
Ranking Based On Selection: 2
John Rennie Short
Metrics
H-Index
i10 Index
Citation Counts
45
98
18,721
Human geography
geopolitics
urban geography
urban studies
history of cartography
Rankings
Ranking Based On Selection: 3
Matthew Fagan
Metrics
H-Index
i10 Index
Citation Counts
25
30
2,363
Conservation science
remote sensing
landscape ecology
Rankings
Ranking Based On Selection: 4
Jon Alan Yeakley
Metrics
H-Index
i10 Index
Citation Counts
25
43
1,944
urban ecology
watershed hydrology
riparian ecology
plant ecology
biogeochemistry
Rankings
Ranking Based On Selection: 5
Margaret Buck Holland
Metrics
H-Index
i10 Index
Citation Counts
21
29
4,978
forest conservation
land tenure
protected areas
human dimensions of land use change
Rankings
Ranking Based On Selection: 6
racial capitalism
migration
communal relationality
Anti-colonial praxis
Latinx geographies